BuildingCensus
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491 Arborway

Multifamily Housing in Boston, MA · 02130

At a glance

491 Arborway is a 4,380-square-foot multifamily housing building in Boston, Massachusetts. In its 2022 Boston benchmarking disclosure it reported a site energy-use intensity of 173.9 kBtu/ft² and 42 tCO₂e of greenhouse-gas emissions.

ENERGY STAR score
—
not reported · 2022
Site EUI
173.9
kBtu/ft²
GHG emissions
42
tCO₂e
GHG intensity
—
kgCO₂e/ft²
Floor area
4,380
sq ft
Year built
—
vintage

BERDO 2.0 · reporting year 2022

Benchmarking record

FieldValue
ENERGY STAR score—
Site EUI173.9 kBtu/ft²
Source EUI—
GHG emissions42 tCO₂e
GHG intensity—
Electricity22,835 kWh
Natural gas6,839 therms
Gross floor area4,380 sq ft
Source recordboston:105100:2022

Compliance context

BERDO 2.0

BERDO 2.0 sets emissions standards for buildings of 20,000+ sq ft or 15+ units, starting in 2025 or 2030 depending on building size, with an alternative-compliance payment of $234 per metric ton of CO₂e over the limit.

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Ownership

No owning organisation shown. Names of private individuals in the disclosure are not published here.

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Location

Address
491 Arborway
City
Boston
State
Massachusetts
ZIP
02130

Within ~1 km

Nearby benchmarked buildings

This source publishes no coordinates, so nearby buildings can't be resolved yet.

See also: most efficient in Boston · biggest emitters

How does 491 Arborway compare with other multifamily housing buildings in Boston?

The latest disclosures cover 2,174 multifamily housing buildings in Boston, out of 6,305 buildings citywide. Its site EUI of 173.9 kBtu/ft² is about 157% above the average of 67.7 kBtu/ft² — it uses more energy per square foot than the typical building in that group.

At 4,380 sq ft, it is about 92% below the average floor area of 58,087 sq ft for those buildings. Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².

What does a site EUI of 173.9 kBtu/ft² mean?

Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. 491 Arborway's 173.9 kBtu/ft² across 4,380 sq ft works out to about 0.8 billion Btu (223 MWh-equivalent) in 2022. The disclosure also reports 22,835 kWh of electricity and 6,839 therms of natural gas for the year.

Which law requires 491 Arborway to report its energy use?

491 Arborway reports under BERDO 2.0, the legal basis of Boston's Building Emissions Reduction and Disclosure Ordinance, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2022 disclosure (source record boston:105100:2022). BERDO 2.0 sets emissions standards for buildings of 20,000+ sq ft or 15+ units, starting in 2025 or 2030 depending on building size, with an alternative-compliance payment of $234 per metric ton of CO₂e over the limit.

More multifamily housing buildings in Boston

Frequently asked questions

What is 491 Arborway's energy grade?

491 Arborway did not report an ENERGY STAR score in its 2022 disclosure, but its site energy-use intensity was 173.9 kBtu/ft².

How much energy does 491 Arborway use?

Its 2022 site energy-use intensity was 173.9 kBtu/ft² across 4,380 sq ft, including 22,835 kWh of electricity and 6,839 therms of natural gas.

What are 491 Arborway's carbon emissions?

491 Arborway reported 42 tCO₂e of greenhouse-gas emissions for 2022.

Where is 491 Arborway?

491 Arborway is in Boston, Massachusetts 02130.

How big is 491 Arborway and when was it built?

491 Arborway has 4,380 sq ft of gross floor area, as reported in its 2022 disclosure. It is classed as multifamily housing.

Is 491 Arborway covered by BERDO 2.0?

Yes — it appears in the 2022 Building Emissions Reduction and Disclosure Ordinance disclosure, which lists the buildings reporting under BERDO 2.0.

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About this data

Source: Building Emissions Reduction and Disclosure Ordinance (BERDO 2.0), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.

Cite as: BuildingCensus, “491 Arborway, Boston, Massachusetts — 2022 benchmarking disclosure”, https://buildingcensus.com/buildings/boston/491-arborway-2f1a7577 (data as of July 9, 2026).